Unable to open Firefox (any version)

Been happily using Firefox ver 2 and recently ver 3 on my powerbook G4, OS X 10.4.11.
Recently Firefox would not open. I moved the application to the trash and went to download ver 3 again. Initially, could not mount the disc image: on download I got "verification failure". I then tried the same with ver 2, same error. This seems to have sorted itself out after 5 attempts, as I just downloaded the ver 3 application. However I still can't open firefox. There's no error message or indication as to why the app will not open.
Recent changes to my powerbook are I set file encryption (but that was long before I had this issue). Also of note, my preferences keep defaulting to Mac defaults i.e. the toolbar looses all my settings, itunes keeps losing my library and I just look miffed all the time.
Over 3 years, I've not had a single problem with this powerbook. When it rains it pours.

Hi louiserb, and a warm welcome to the forums!
Generally, that bad img thing is either RAM, or problems with the HDD.
Failure of APPs to open is likely Permissions problems or incomlete installs.
At this point I think you should get Applejack...
http://www.versiontracker.com/dyn/moreinfo/macosx/19596
After installing, reboot holding down CMD+s, then when the DOS like prompt shows, type in...
applejack AUTO
Then let it do all 5 of it's things.
At least it'll eliminate some questions if it doesn't fix it.
The 5 things it does are...
Correct any Disk problems.
Repair Permissions.
Clear out Cache Files.
Repair/check several plist files.
Dump the VM files for a fresh start.
First reboot will be slower, sometimes 2 or 3 restarts will be required for full benefit... my guess is files relying upon other files relying upon other files!
Disconnect the USB cable from any UPS so the system doesn't shut down in the middle of the process.
The usual reason why updates fail or mess things up, is if Permissions are not fixed before & after every update, with a reboot... you may get a partial update when the installer finds it doesn't have Permissions to change one obscure little part of the OS, leaving you with a mix of OS versions.
Some people get away without Repairing Permissions for years, some for only days.
If Permissions are wrong before applying an update, you could get mixed OS versions, if Directory is the slightest messed up, who knows!
If many Permission are repaired, or any Directory errors are found, you may need to re-apply some the latest/biggest updates.
Let us know where you are after that.

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I restarted my Firefox this morning and it automatically updated to version 9.0.1. Since that update, I am unable to open Firefox - it is giving no response.

I restarted my Firefox this morning and it automatically updated to version 9.0.1. Since that update, I am unable to open Firefox. When I try to open it (and this is on a Mac), it does not respond and freezes with a white screen, the tab says "connecting...," and there are no bookmarks or anything showing on the browser. It does not respond at all - I cannot even click into the navigation to change any of the preferences. Please, someone help! Not having Firefox is killing me!

A possible cause is security software (firewall) that blocks or restricts Firefox or the plugin-container process without informing you, possibly after detecting changes (update) to the Firefox program.
Remove all rules for Firefox from the permissions list in the firewall and let your firewall ask again for permission to get full unrestricted access to internet for Firefox and the plugin-container process and the updater process.
See:
*https://support.mozilla.org/kb/Server+not+found
*https://support.mozilla.org/kb/Firewalls

Unable to open firefox - get message that " a copy is already open and only one copy can be open at a time. I have dragged the app to the waste basket and downloaded another firefox app. However same result". I have a IMAC , V.10.6.3.

Unable to open firefox - get message that " a copy is already open and only one copy can be open at a time. I have dragged the app to the waste basket and downloaded another firefox app. However same result". I have a IMAC , V.10.6.3.
I get above message when I click on the firefox icon.

This worked, I used the method described in this link http://forums.mozillazine.org/viewtopic.php?t=365156, and opened the Mozilla profile screen with the terminal on my mac, using the language given in the links. Then I duplicated my original profile to save the bookmarks, etc. Put them in a folder listed Duplicate profile with the date. With the open profile screen, I deleted my original profile, created new profile folder and then a new profile. Note that profile cannot be created in the system library, it must be created on the disc, because the library will not allow writing into it. After I created my new profile folder, I dragged all my old information into it, and it worked. Firefox closed and the error disappeared. You must be VERY careful to make sure Firefox is closed anytime you are doing anything with the profile folders. I think that is what caused my original problem.

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Firefox any version Mac, has a bug were it does not see or ask for the proxy username and password. This happens if you use a virtual tagged interface. A recent network University policy change. The only way to fix this, is if you use a manual proxy configuration in Firefox. So all 100 + uni iMac's can only use Safari as I would need to do a profile push to all 300 students and I am unsure what file carries the proxy information.

After opening Firefox & getting my info, I go into another application but am unable to open Firefox without Quitting it first. I have the latest update of Firefox. How can I get back into firefox without quitting Firefox?

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... the as suggested reinstalled the latest version of the firefox browser using the link you provided in the email ..; tested and several issues still remain present and unresolved ....
so please this is urgent or I will have to jump browsers and start using chrome .. because we work 14 hours a day 6 (sometimes 7) days a week, to get ready for the launch of our newest venture and we cannot lose that much days on browser related issues ... so please instead of putting me through week long step process .. of do this .. do that .. can you please actually look into the issue from your end .. I use firefox for so many, many years thta I deserve this kind of support .. thnx Robert

Pages and numbers files won't open in ANY version

Apple, what have you done? I made the sad mistake of upgrading to the newest versions of Pages, Numbers and Keynote on the one Mac in our personal and work ecosystem that can run Mavericks. Not only can I not open any existing files in the '09 version of these products once I open them and save in the newest version. Now, I cannot open ANY of these documents in ANY version of these applications. Pleas tell me how to fix this. We have important work and personal files now that we are unable to open at all.
Very disappointed, Apple. These are the sorts of user-experience and quality issues that motivated me to abondon Microsoft...

Well the problem "fixed itself". I logged out, logged in to an other user, opened and saved a few pages files and it worked fine. I logged back out, and back in to the user with the Pages problems, and voila! It works fine - no problems. THis software is far to flaky for me. Unfortunately, my colleague in the last two weeks since upgrading has updraded nearly ALL of our current working Pages files. We now have the very unhappy and uprofitable task of exporting and reverting ALL of those documents so we can revert to Pages 09 - a program that actually iWorks.
Apple, this is really buggy software and it's getting deep-sixed. You've really messed up with this latest set of OS and software "upgrades".

Unable to open firefox after download

I'm using a netbook with linux and firefox 2. I tried to download the newest version of Firefox, but it will not open. It says to change the helper application in preferences, but I don't know what that is. I need to upgrade my system because of security issues. Please Help!!!!

The version of Xandros Linux ''(from early 2007)'' that Asus was using on theEeePC doesn't have the GTK package needed to run Firefox 3+ versions, you need to update it. See these: 
http://forum.eeeuser.com/viewtopic.php?id=41815 
http://wiki.eeeuser.com/howto:installfirefox3?s=firefox 
I am not aware any support articles about installing a version of Firefox newer than Firefox 3.0, although I read somewhere that if Firefox 3.0 worked, Firefox 3.5 would. But 3.5 is an unsupported version nowadays, you need Firefox 3.6.x at least.
I quit keeping track of the upgrade stuff about Xandros Linux because I installed a much newer Linux distro on my EeePC 900A in 2010. This is what I replaced it with: 
http://www.geteasypeasy.com/

A hardy ghost of Firefox is apparently running in my computer and I am unable to open Firefox, even after Window restarts and an uninstall/re-install. How do I find and fix this problem?

What happened first is Firefox was revving and using most of my CPU, ultimately "not responding" too easily and for too long, so I closed it in order to reopen it, but Firefox remained running in background (Task Mgr, Processes) after closing, continuing to use almost all my CPU, so I ended the process in Task Mgr.
When I went to re-open it, window opened and told me Firefox could not be opened because another "instance"(?) was still running, to close it or restart Windows. I couldn't close it because I already closed it AND ended the process, so I restarted Windows.
When I tried to open Firefox, I got the same pop-up. I think I restarted Windows one more time, and then uninstalled Firefox, except for my personal settings (in order to save the bookmarks, which I couldn't find in the Firefox folder in Program Files (only Favorites, which were not my bookmarks; I later wondered if they were part of the Firefox add-on "Add This" --??).
I then uninstalled Firefox and re-installed it. When I tried to start the newly re-installed program, I had the same pop-up telling me Firefox was already running and to close it or restart Windows.
I searched my computer folders for anything that might help, did a Search of the computer for "Firefox", and was given some Firefox folders and if they weren't from the new re-install, I deleted them. One thing I noticed was that the program folder did NOT have the program (Firefox.exe) icon to start Firefox.
I uninstalled Firefox and had to resort to using Internet Explorer, which I do NOT like. My rich library of bookmarks are who knows where.
I don't know if this is related, but in searching my computer's Administrative Services and Component Tools (and the like) hoping to find something that would help me fix Firefox, I inadvertently learned that "MMC could not create the snap-in. The snap-in might not have been installed correctly. Name: .NET Framework 1.1 Config."
Please help me get Firefox back and figure out what is going on in my computer that led to this. I am a basic user and not techno-computer saavy, so if anyone can help me with this, please give me step-by-step bonehead instructions.
Thank you so much for any help you can offer!

Make sure that Firefox is set as the default browser.
*http://kb.mozillazine.org/Default_browser
*https://support.mozilla.org/kb/How+to+make+Firefox+the+default+browser
*https://support.mozilla.org/kb/Setting+Firefox+as+the+default+browser+does+not+work

"unable to open project" Any ideas how I might get it back?

I am not able to open a project i was working on this morning.
I have no idea why. They only thing I can think of is that after I finished
the project, I saved it to one folder in the drive.
Later, however, I changed my mind and decided to move the project to
a different folder. I got a message something about having to log in as administrator in order to be able to transfer the project from one folder to another, which I thought was weird.
So, now, when I tried to open the project from within FCP,
I get "unable to open project."
And I can't find the project anywhere in my computer.
Does anyone have any idea why this is happening?
More importantly, can i bring back my project?
I checked the "Autovault folder, but it wasn't there either.
thanks all!

Look in the Scratch Disk Settings. Look to see where you're autosaves are kept, and see if there's one there... if you change the location of this folder, you end up with one for each location. So do look where they are currently set to save.
If you have none at all, why not? Did you turn off the autosave feature?
Jerry

Can't open Firefox any more. Shows up in processes but never activates. It was coming up yesterday but running at around 120k. Did my updates, tested my plug-ins, extensions, etc. but now can't even use it. Any suggestions?

Firefox was working fine but started having crashes this week. Concurrent with multiple problems I'm having with a new Brother printer with driver downloaded via Firefox. No viruses, no spyware, cleaned cache, deleted cookies - have done everything I can think of. And then today, can't even open Firefox though it does show up in processes at around 30K. Yesterday it was coming up at 100k+ when it was working but was very slow. For example, my email through AOL, it duplicated every email I opened, crippling the whole process. Turned off compatability mode - have done everything suggested via the Firefox site. If I have to reinstall it, is there a way I can save my bookmarks?

You could experiment with giving OBP the absolute path to that USB device, but I doubt you'll be successful. The Sunfire 280R (same hardware as the Sunblade 1000, Sunblade 2000, and Netra 20) design expected USB to be only for keyboard and mouse, not for any storage devices. If booting ever works manually from a USB stick, then you could create a custom alias for the device.
Try an experiment by using a CD or DVD of an older release of Solaris 10 instead of the current release.
[http://www.sun.com/software/solaris/releases.jsp|http://www.sun.com/software/solaris/releases.jsp]
The earlier ones need fewer hardware resources. I also recall a few forum posts that seem to suggest the bootblock structure on the CD's and DVD's of those earlier releases was more compatible with older hardware.
You might also need to get yourself a copy of the OBP 4.x Command Reference Manual, document No. 816-1177
[http://dlc.sun.com/pdf/816-1177-10/816-1177-10.pdf|http://dlc.sun.com/pdf/816-1177-10/816-1177-10.pdf]

Unable to open firefox. profile missing?

i was tring to down load firefox. after i down loaded it said unable to open profile missing.

See:
*https://support.mozilla.com/kb/Firefox+is+already+running+but+is+not+responding
*http://kb.mozillazine.org/Profile_in_use
Create a new profile as a test to check if your current profile is causing the problems.
See "Basic Troubleshooting: Make a new profile":
*https://support.mozilla.com/kb/Basic+Troubleshooting#w_8-make-a-new-profile
There may be extensions and plugins installed by default in a new profile, so check that in "Tools > Add-ons > Extensions & Plugins" in case there are still problems.
If that new profile works then you can transfer some files from the old profile to that new profile, but be careful not to copy corrupted files.
See:
*http://kb.mozillazine.org/Transferring_data_to_a_new_profile_-_Firefox

Two add-ons update every time I open Firefox; same versions, over and over.

NoScript and Download Helper launch updates every time I open Firefox (latest ver). If I close browser, they launch again immediately.

''FredMcD [[#answer-716532|said]]''
<blockquote>
Try this, remove both. Restart Firefox. Any problem? Now install '''one'''
add-on from its '''[https://addons.mozilla.org/en-US/firefox/ Mozilla Add-ons Web Page]'''.
Restart. Any problem? Now do the other add-on.
</blockquote>
Thanks, Fred. Tried that and tried it again, restarting between attempts. No dice. Firefox still wants to download both every time. I can even apply my license to Download Helper. It runs while Firefox is open, but tries to reinstall DLH next time I open Firefox.

I am unable to open firefox 4 properly without an error! HELP!

This is the message I now get everytime I try to open Firefox 4 broswer:
"Could not initialize the application's security component. The most likely cause is problems with files in your application's profile directory. Please check that this directory has no read/write restrictions and your hard disk is not full or close to full. It is recommended that you exit the application and fix the problem. If you continue to use this session, you might see incorrect application behaviour when accessing security features."
Now I have tried reinstalling it, disabling all the add-ons (including my Webroot), and scanning for every possible problem. I have 21 gig free space, so that's not it either. It does open and go to my home page, but it's jumbled and I can't do anything. Not even come to Mozilla's site. It just opens a tab and does nothing else.
I miss my Firefox already! Please does anyone know why this is happening and how I might fix it??

Okay I just updated the Graphics driver like it suggested in my system details part. No change.

I am unable to open firefox...all i get is "goog;e" all of a sudden! this has never happened before and i can't fix! help!

when i try to open firefox (i have used it forever!!!) i get a message that says "sorry this is embarrassing - try to restore windows or tabs, etc." nothing works. the only browser is google and i can't find my bookmarks, open and close firefox, etc. s o s, please!

See:
*http://kb.mozillazine.org/Firefox_crashes
*https://support.mozilla.org/kb/Firefox+crashes
If you have submitted crash reports then please post the IDs of one or more crash reports that have this format:
*bp-xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx
You can find the IDs of the submitted crash reports on the about:crashes page.
*You can open the about:crashes page via the location bar, like you open a website.
See:
*http://kb.mozillazine.org/Mozilla_Crash_Reporter
*https://support.mozilla.org/kb/Mozilla+Crash+Reporter
If you can't open Firefox then see:
*http://kb.mozillazine.org/Mozilla_Crash_Reporter#Location_of_crash_reports
*http://kb.mozillazine.org/Mozilla_Crash_Reporter#Viewing_crash_reports

Unable to open firefox 4 after download. Getting already running or not responding window.

Firefox 4 was working well at first and then would continually freeze. Now after uninstalling and reinstalling several times, including manually, I can not open firefox at all. I keep getting the "Firefox is already running, but is not responding. To open a new window, you must first close the existing Firefox process, or restart your system." window. I have restarted my computer and looked on task manager and there is no firefox process running.
Please help, thank you.

Firefox 4 was working well at first and then would continually freeze. Now after uninstalling and reinstalling several times, including manually, I can not open firefox at all. I keep getting the "Firefox is already running, but is not responding. To open a new window, you must first close the existing Firefox process, or restart your system." window. I have restarted my computer and looked on task manager and there is no firefox process running.
Please help, thank you.

Unable to open Firefox (any version)

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